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1 | f0cbd3ec | bellard | /*
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2 | f0cbd3ec | bellard | * Copyright (c) 1995 Danny Gasparovski.
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3 | 5fafdf24 | ths | *
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4 | 5fafdf24 | ths | * Please read the file COPYRIGHT for the
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5 | f0cbd3ec | bellard | * terms and conditions of the copyright.
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6 | f0cbd3ec | bellard | */
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7 | f0cbd3ec | bellard | |
8 | f0cbd3ec | bellard | #ifndef _SLIRP_SOCKET_H_
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9 | f0cbd3ec | bellard | #define _SLIRP_SOCKET_H_
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10 | f0cbd3ec | bellard | |
11 | f0cbd3ec | bellard | #define SO_EXPIRE 240000 |
12 | f0cbd3ec | bellard | #define SO_EXPIREFAST 10000 |
13 | f0cbd3ec | bellard | |
14 | f0cbd3ec | bellard | /*
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15 | f0cbd3ec | bellard | * Our socket structure
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16 | f0cbd3ec | bellard | */
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17 | f0cbd3ec | bellard | |
18 | f0cbd3ec | bellard | struct socket {
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19 | f0cbd3ec | bellard | struct socket *so_next,*so_prev; /* For a linked list of sockets */ |
20 | f0cbd3ec | bellard | |
21 | f0cbd3ec | bellard | int s; /* The actual socket */ |
22 | f0cbd3ec | bellard | |
23 | 460fec67 | Jan Kiszka | Slirp *slirp; /* managing slirp instance */
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24 | 460fec67 | Jan Kiszka | |
25 | f0cbd3ec | bellard | /* XXX union these with not-yet-used sbuf params */
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26 | f0cbd3ec | bellard | struct mbuf *so_m; /* Pointer to the original SYN packet, |
27 | f0cbd3ec | bellard | * for non-blocking connect()'s, and
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28 | f0cbd3ec | bellard | * PING reply's */
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29 | f0cbd3ec | bellard | struct tcpiphdr *so_ti; /* Pointer to the original ti within |
30 | f0cbd3ec | bellard | * so_mconn, for non-blocking connections */
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31 | f0cbd3ec | bellard | int so_urgc;
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32 | f0cbd3ec | bellard | struct in_addr so_faddr; /* foreign host table entry */ |
33 | f0cbd3ec | bellard | struct in_addr so_laddr; /* local host table entry */ |
34 | f0cbd3ec | bellard | u_int16_t so_fport; /* foreign port */
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35 | f0cbd3ec | bellard | u_int16_t so_lport; /* local port */
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36 | 3b46e624 | ths | |
37 | f0cbd3ec | bellard | u_int8_t so_iptos; /* Type of service */
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38 | f0cbd3ec | bellard | u_int8_t so_emu; /* Is the socket emulated? */
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39 | 3b46e624 | ths | |
40 | f0cbd3ec | bellard | u_char so_type; /* Type of socket, UDP or TCP */
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41 | f0cbd3ec | bellard | int so_state; /* internal state flags SS_*, below */ |
42 | 3b46e624 | ths | |
43 | f0cbd3ec | bellard | struct tcpcb *so_tcpcb; /* pointer to TCP protocol control block */ |
44 | f0cbd3ec | bellard | u_int so_expire; /* When the socket will expire */
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45 | 3b46e624 | ths | |
46 | f0cbd3ec | bellard | int so_queued; /* Number of packets queued from this socket */ |
47 | f0cbd3ec | bellard | int so_nqueued; /* Number of packets queued in a row |
48 | f0cbd3ec | bellard | * Used to determine when to "downgrade" a session
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49 | f0cbd3ec | bellard | * from fastq to batchq */
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50 | 5fafdf24 | ths | |
51 | f0cbd3ec | bellard | struct sbuf so_rcv; /* Receive buffer */ |
52 | f0cbd3ec | bellard | struct sbuf so_snd; /* Send buffer */ |
53 | f0cbd3ec | bellard | void * extra; /* Extra pointer */ |
54 | f0cbd3ec | bellard | }; |
55 | f0cbd3ec | bellard | |
56 | f0cbd3ec | bellard | |
57 | f0cbd3ec | bellard | /*
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58 | f0cbd3ec | bellard | * Socket state bits. (peer means the host on the Internet,
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59 | f0cbd3ec | bellard | * local host means the host on the other end of the modem)
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60 | f0cbd3ec | bellard | */
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61 | f0cbd3ec | bellard | #define SS_NOFDREF 0x001 /* No fd reference */ |
62 | f0cbd3ec | bellard | |
63 | f0cbd3ec | bellard | #define SS_ISFCONNECTING 0x002 /* Socket is connecting to peer (non-blocking connect()'s) */ |
64 | f0cbd3ec | bellard | #define SS_ISFCONNECTED 0x004 /* Socket is connected to peer */ |
65 | f0cbd3ec | bellard | #define SS_FCANTRCVMORE 0x008 /* Socket can't receive more from peer (for half-closes) */ |
66 | f0cbd3ec | bellard | #define SS_FCANTSENDMORE 0x010 /* Socket can't send more to peer (for half-closes) */ |
67 | f0cbd3ec | bellard | #define SS_FWDRAIN 0x040 /* We received a FIN, drain data and set SS_FCANTSENDMORE */ |
68 | f0cbd3ec | bellard | |
69 | f0cbd3ec | bellard | #define SS_CTL 0x080 |
70 | f0cbd3ec | bellard | #define SS_FACCEPTCONN 0x100 /* Socket is accepting connections from a host on the internet */ |
71 | f0cbd3ec | bellard | #define SS_FACCEPTONCE 0x200 /* If set, the SS_FACCEPTCONN socket will die after one accept */ |
72 | f0cbd3ec | bellard | |
73 | f932b6ce | Jan Kiszka | #define SS_PERSISTENT_MASK 0xf000 /* Unremovable state bits */ |
74 | 6dd5ffb6 | Jan Kiszka | #define SS_HOSTFWD 0x1000 /* Socket describes host->guest forwarding */ |
75 | 4a82347a | Jan Kiszka | #define SS_INCOMING 0x2000 /* Connection was initiated by a host on the internet */ |
76 | f932b6ce | Jan Kiszka | |
77 | 6cb9c6d3 | Blue Swirl | struct socket * solookup(struct socket *, struct in_addr, u_int, struct in_addr, u_int); |
78 | 6cb9c6d3 | Blue Swirl | struct socket * socreate(Slirp *);
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79 | 6cb9c6d3 | Blue Swirl | void sofree(struct socket *); |
80 | 6cb9c6d3 | Blue Swirl | int soread(struct socket *); |
81 | 6cb9c6d3 | Blue Swirl | void sorecvoob(struct socket *); |
82 | 6cb9c6d3 | Blue Swirl | int sosendoob(struct socket *); |
83 | 6cb9c6d3 | Blue Swirl | int sowrite(struct socket *); |
84 | 6cb9c6d3 | Blue Swirl | void sorecvfrom(struct socket *); |
85 | 6cb9c6d3 | Blue Swirl | int sosendto(struct socket *, struct mbuf *); |
86 | 6cb9c6d3 | Blue Swirl | struct socket * tcp_listen(Slirp *, u_int32_t, u_int, u_int32_t, u_int,
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87 | 6cb9c6d3 | Blue Swirl | int);
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88 | 6cb9c6d3 | Blue Swirl | void soisfconnecting(register struct socket *); |
89 | 6cb9c6d3 | Blue Swirl | void soisfconnected(register struct socket *); |
90 | 6cb9c6d3 | Blue Swirl | void sofwdrain(struct socket *); |
91 | b9e82a59 | blueswir1 | struct iovec; /* For win32 */ |
92 | e1c5a2b3 | aliguori | size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np); |
93 | e1c5a2b3 | aliguori | int soreadbuf(struct socket *so, const char *buf, int size); |
94 | f0cbd3ec | bellard | |
95 | f0cbd3ec | bellard | #endif /* _SOCKET_H_ */ |